4920-01-483-0604 OPTICAL MOUNT ASSEM Index 5999-01-483-0606 AUDIO MANAG,AIRCRAF

National Stock Number:
5310-01-483-0605

Federal Supply Class:
5310

National Item Identification Number:
014830605

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.


Manufacturer Information:
427738-31C954DONLEE PRECISION
427738-380020NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION CODE 4.8.8.0.0.B BLDG 148-2


Techincal Specification:
HOLE DIAMETER1.406 INCHES NOMINAL
OUTSIDE DIAMETER2.000 INCHES NOMINAL
MATERIAL THICKNESS0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
MATERIALNICKEL ALLOY 718 OVERALL
RECESS ANGLE45.0 DEGREES NOMINAL
RECESS DIAMETER1.563 INCHES NOMINAL
STYLE DESIGNATORRECESSED


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